Cogito v2.1 671B vs Nano Banana (Gemini 2.5 Flash Image): side-by-side summary

Cogito v2.1 671B and Nano Banana (Gemini 2.5 Flash Image) are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Cogito v2.1 671B, from deepcogito, has a 128,000-token context window and is priced by the provider serving it on OpenRouter.

Nano Banana (Gemini 2.5 Flash Image), from Google, has a 32,768-token context window and is priced at $0.30/M tokens input, $2.50/M tokens output on OpenRouter.

Context window

• Cogito v2.1 671B: 128,000 tokens
• Nano Banana (Gemini 2.5 Flash Image): 32,768 tokens

Price

• Cogito v2.1 671B: Pricing varies by provider
• Nano Banana (Gemini 2.5 Flash Image): $0.30/M tokens input, $2.50/M tokens output

Provided by

• Cogito v2.1 671B: deepcogito
• Nano Banana (Gemini 2.5 Flash Image): Google

• Cogito v2.1 671B model details, providers and pricing
• Nano Banana (Gemini 2.5 Flash Image) model details, providers and pricing